The tenth prompt tweak usually feels like progress. The eleventh reveals the problem: the fix that stopped the agent from inventing refund policies also made it refuse legitimate refund questions, call the wrong tool, or ask for clarification when it already had enough context. This is where pr...
Source: [Dev.to](https://dev.to/hosseinhezami/why-ai-agents-need-an-evaluation-loop-not-another-better-prompt-13dg)